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				The community atmospheric chemistry box model CAABA/MECCA-4.0
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				Sander R, Baumgaertner A, Cabrera-Perez D, Frank F, Gromov S, Grooß J-U, Harder H, Huijnen V, Jöckel P, Karydis VA, Niemeyer KE, Pozzer A, Riede H, Schultz MG, Taraborrelli D, and Tauer S.
				<span class="journal">
				Geoscientific Model Development
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				12
				
				
				(4)
				
				
				:1365–1385
				
				(2019).
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                <a class="off" href="https://doi.org/10.5194/gmd-12-1365-2019">10.5194/gmd-12-1365-2019</a>
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<h1 id="abstract">Abstract</h1>

<p>We present version 4.0 of the atmospheric chemistry box model CAABA/MECCA that now includes a number of new features: (i) skeletal mechanism reduction, (ii) the Mainz Organic Mechanism (MOM) chemical mechanism for volatile organic compounds, (iii) an option to include reactions from the Master Chemical Mechanism (MCM) and other chemical mechanisms, (iv) updated isotope tagging, and (v) improved and new photolysis modules (JVAL, RADJIMT, DISSOC). Further, when MECCA is connected to a global model, the new feature of coexisting multiple chemistry mechanisms (PolyMECCA/CHEMGLUE) can be used. Additional changes have been implemented to make the code more user-friendly and to facilitate the analysis of the model results. Like earlier versions, CAABA/MECCA-4.0 is a community model published under the GNU General Public License.</p>

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            <h1 id="bibte">BibTeX</h1>
            <pre> @article{Sander2019,
  doi = {10.5194/gmd-12-1365-2019},
  year  = 2019,
  month = apr,
  volume = {12},
  number = {4},
  pages = {1365--1385},
  author = {Rolf Sander and Andreas Baumgaertner and David Cabrera-Perez and Franziska Frank and Sergey Gromov and Jens-Uwe Groo{\ss} and Hartwig Harder and Vincent Huijnen and Patrick J\"{o}ckel and Vlassis A. Karydis and Kyle E. Niemeyer and Andrea Pozzer and Hella Riede and Martin G. Schultz and Domenico Taraborrelli and Sebastian Tauer},
  title = {The community atmospheric chemistry box model {CAABA}/{MECCA}-4.0},
  journal = {Geoscientific Model Development}
}
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